/*
  * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *

  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or

  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

  * version 2.1 of the License, or (at your option) any later version.

  *

  * FFmpeg is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public

  * License along with FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  */
 
 /**

  * @file

  * @brief

  *     H264 / AVC / MPEG4 part10 codec data table
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 

 #ifndef AVCODEC_H264DATA_H
 #define AVCODEC_H264DATA_H

 #include <stdint.h>

 #include "libavutil/rational.h"

 #include "mpegvideo.h"

 #include "h264.h"

 
 static const uint8_t golomb_to_pict_type[5]=

 {AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI};

 static const uint8_t golomb_to_intra4x4_cbp[48]={
  47, 31, 15,  0, 23, 27, 29, 30,  7, 11, 13, 14, 39, 43, 45, 46,
  16,  3,  5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44,  1,  2,  4,
   8, 17, 18, 20, 24,  6,  9, 22, 25, 32, 33, 34, 36, 40, 38, 41
 };
 
 static const uint8_t golomb_to_inter_cbp[48]={
   0, 16,  1,  2,  4,  8, 32,  3,  5, 10, 12, 15, 47,  7, 11, 13,
  14,  6,  9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
  17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
 };
 

 static const uint8_t zigzag_scan[16]={

  0+0*4, 1+0*4, 0+1*4, 0+2*4,
  1+1*4, 2+0*4, 3+0*4, 2+1*4,
  1+2*4, 0+3*4, 1+3*4, 2+2*4,
  3+1*4, 3+2*4, 2+3*4, 3+3*4,

 };
 
 static const uint8_t field_scan[16]={

  0+0*4, 0+1*4, 1+0*4, 0+2*4,

  0+3*4, 1+1*4, 1+2*4, 1+3*4,

  2+0*4, 2+1*4, 2+2*4, 2+3*4,

  3+0*4, 3+1*4, 3+2*4, 3+3*4,
 };
 
 static const uint8_t luma_dc_zigzag_scan[16]={
  0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
  3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
  1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
  3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
 };
 
 static const uint8_t luma_dc_field_scan[16]={

  0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
  2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
  0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,

  1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
 };
 
 static const uint8_t chroma_dc_scan[4]={

  (0+0*2)*16, (1+0*2)*16,

  (0+1*2)*16, (1+1*2)*16,
 };
 
 static const uint8_t chroma422_dc_scan[8]={
  (0+0*2)*16, (0+1*2)*16,
  (1+0*2)*16, (0+2*2)*16,
  (0+3*2)*16, (1+1*2)*16,
  (1+2*2)*16, (1+3*2)*16,

 };
 

 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
 static const uint8_t zigzag_scan8x8_cavlc[64]={
  0+0*8, 1+1*8, 1+2*8, 2+2*8,
  4+1*8, 0+5*8, 3+3*8, 7+0*8,
  3+4*8, 1+7*8, 5+3*8, 6+3*8,
  2+7*8, 6+4*8, 5+6*8, 7+5*8,
  1+0*8, 2+0*8, 0+3*8, 3+1*8,
  3+2*8, 0+6*8, 4+2*8, 6+1*8,
  2+5*8, 2+6*8, 6+2*8, 5+4*8,
  3+7*8, 7+3*8, 4+7*8, 7+6*8,
  0+1*8, 3+0*8, 0+4*8, 4+0*8,
  2+3*8, 1+5*8, 5+1*8, 5+2*8,
  1+6*8, 3+5*8, 7+1*8, 4+5*8,
  4+6*8, 7+4*8, 5+7*8, 6+7*8,
  0+2*8, 2+1*8, 1+3*8, 5+0*8,
  1+4*8, 2+4*8, 6+0*8, 4+3*8,
  0+7*8, 4+4*8, 7+2*8, 3+6*8,
  5+5*8, 6+5*8, 6+6*8, 7+7*8,
 };
 

 static const uint8_t field_scan8x8[64]={
  0+0*8, 0+1*8, 0+2*8, 1+0*8,
  1+1*8, 0+3*8, 0+4*8, 1+2*8,
  2+0*8, 1+3*8, 0+5*8, 0+6*8,
  0+7*8, 1+4*8, 2+1*8, 3+0*8,
  2+2*8, 1+5*8, 1+6*8, 1+7*8,
  2+3*8, 3+1*8, 4+0*8, 3+2*8,
  2+4*8, 2+5*8, 2+6*8, 2+7*8,
  3+3*8, 4+1*8, 5+0*8, 4+2*8,
  3+4*8, 3+5*8, 3+6*8, 3+7*8,
  4+3*8, 5+1*8, 6+0*8, 5+2*8,
  4+4*8, 4+5*8, 4+6*8, 4+7*8,
  5+3*8, 6+1*8, 6+2*8, 5+4*8,
  5+5*8, 5+6*8, 5+7*8, 6+3*8,
  7+0*8, 7+1*8, 6+4*8, 6+5*8,
  6+6*8, 6+7*8, 7+2*8, 7+3*8,
  7+4*8, 7+5*8, 7+6*8, 7+7*8,
 };
 
 static const uint8_t field_scan8x8_cavlc[64]={
  0+0*8, 1+1*8, 2+0*8, 0+7*8,
  2+2*8, 2+3*8, 2+4*8, 3+3*8,
  3+4*8, 4+3*8, 4+4*8, 5+3*8,
  5+5*8, 7+0*8, 6+6*8, 7+4*8,
  0+1*8, 0+3*8, 1+3*8, 1+4*8,
  1+5*8, 3+1*8, 2+5*8, 4+1*8,
  3+5*8, 5+1*8, 4+5*8, 6+1*8,
  5+6*8, 7+1*8, 6+7*8, 7+5*8,
  0+2*8, 0+4*8, 0+5*8, 2+1*8,
  1+6*8, 4+0*8, 2+6*8, 5+0*8,
  3+6*8, 6+0*8, 4+6*8, 6+2*8,
  5+7*8, 6+4*8, 7+2*8, 7+6*8,
  1+0*8, 1+2*8, 0+6*8, 3+0*8,
  1+7*8, 3+2*8, 2+7*8, 4+2*8,
  3+7*8, 5+2*8, 4+7*8, 5+4*8,
  6+3*8, 6+5*8, 7+3*8, 7+7*8,
 };
 

 typedef struct IMbInfo{
     uint16_t type;
     uint8_t pred_mode;
     uint8_t cbp;
 } IMbInfo;
 
 static const IMbInfo i_mb_type_info[26]={
 {MB_TYPE_INTRA4x4  , -1, -1},
 {MB_TYPE_INTRA16x16,  2,  0},
 {MB_TYPE_INTRA16x16,  1,  0},
 {MB_TYPE_INTRA16x16,  0,  0},
 {MB_TYPE_INTRA16x16,  3,  0},
 {MB_TYPE_INTRA16x16,  2,  16},
 {MB_TYPE_INTRA16x16,  1,  16},
 {MB_TYPE_INTRA16x16,  0,  16},
 {MB_TYPE_INTRA16x16,  3,  16},
 {MB_TYPE_INTRA16x16,  2,  32},
 {MB_TYPE_INTRA16x16,  1,  32},
 {MB_TYPE_INTRA16x16,  0,  32},
 {MB_TYPE_INTRA16x16,  3,  32},
 {MB_TYPE_INTRA16x16,  2,  15+0},
 {MB_TYPE_INTRA16x16,  1,  15+0},
 {MB_TYPE_INTRA16x16,  0,  15+0},
 {MB_TYPE_INTRA16x16,  3,  15+0},
 {MB_TYPE_INTRA16x16,  2,  15+16},
 {MB_TYPE_INTRA16x16,  1,  15+16},
 {MB_TYPE_INTRA16x16,  0,  15+16},
 {MB_TYPE_INTRA16x16,  3,  15+16},
 {MB_TYPE_INTRA16x16,  2,  15+32},
 {MB_TYPE_INTRA16x16,  1,  15+32},
 {MB_TYPE_INTRA16x16,  0,  15+32},
 {MB_TYPE_INTRA16x16,  3,  15+32},
 {MB_TYPE_INTRA_PCM , -1, -1},
 };
 
 typedef struct PMbInfo{
     uint16_t type;
     uint8_t partition_count;
 } PMbInfo;
 
 static const PMbInfo p_mb_type_info[5]={
 {MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},

 {MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
 {MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},

 };
 
 static const PMbInfo p_sub_mb_type_info[4]={
 {MB_TYPE_16x16|MB_TYPE_P0L0             , 1},
 {MB_TYPE_16x8 |MB_TYPE_P0L0             , 2},
 {MB_TYPE_8x16 |MB_TYPE_P0L0             , 2},
 {MB_TYPE_8x8  |MB_TYPE_P0L0             , 4},
 };
 
 static const PMbInfo b_mb_type_info[23]={

 {MB_TYPE_DIRECT2|MB_TYPE_L0L1                                      , 1, },

 {MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
 {MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
 {MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0                          |MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
 {MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16              |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0             , 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },

 {MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },

 };
 
 static const PMbInfo b_sub_mb_type_info[13]={

 {MB_TYPE_DIRECT2                                                   , 1, },

 {MB_TYPE_16x16|MB_TYPE_P0L0                                       , 1, },
 {MB_TYPE_16x16             |MB_TYPE_P0L1                          , 1, },
 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1                          , 1, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 2, },
 {MB_TYPE_16x8              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16              |MB_TYPE_P0L1             |MB_TYPE_P1L1, 2, },
 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
 {MB_TYPE_8x8  |MB_TYPE_P0L0             |MB_TYPE_P1L0             , 4, },
 {MB_TYPE_8x8               |MB_TYPE_P0L1             |MB_TYPE_P1L1, 4, },
 {MB_TYPE_8x8  |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
 };
 

 static const uint8_t dequant4_coeff_init[6][3]={

   {10,13,16},
   {11,14,18},
   {13,16,20},
   {14,18,23},
   {16,20,25},
   {18,23,29},

 };
 

 static const uint8_t dequant8_coeff_init_scan[16] = {

   0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
 };

 static const uint8_t dequant8_coeff_init[6][6]={

   {20,18,32,19,25,24},
   {22,19,35,21,28,26},
   {26,23,42,24,33,31},
   {28,25,45,26,35,33},
   {32,28,51,30,40,38},
   {36,32,58,34,46,43},
 };
 

 #endif /* AVCODEC_H264DATA_H */